[PATCH v6 4/8] ntdll: Return BIOS info from NtQuerySystemInformation on Linux
Alex Henrie
alexhenrie24 at gmail.com
Mon Jun 18 00:38:10 CDT 2018
Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
---
dlls/ntdll/nt.c | 170 ++++++++++++++++++++++++++++++++++++++++
dlls/ntdll/tests/info.c | 11 ++-
2 files changed, 179 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c
index dc0ce04f42..2a4ef783cd 100644
--- a/dlls/ntdll/nt.c
+++ b/dlls/ntdll/nt.c
@@ -66,6 +66,35 @@
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
+#include "pshpack1.h"
+
+struct smbios_prologue {
+ BYTE calling_method;
+ BYTE major_version;
+ BYTE minor_version;
+ BYTE revision;
+ DWORD length;
+};
+
+struct smbios_bios {
+ BYTE type;
+ BYTE length;
+ WORD handle;
+ BYTE vendor;
+ BYTE version;
+ WORD start;
+ BYTE date;
+ BYTE size;
+ UINT64 characteristics;
+};
+
+#include "poppack.h"
+
+/* Firmware table providers */
+#define ACPI 0x41435049
+#define FIRM 0x4649524D
+#define RSMB 0x52534D42
+
/*
* Token
*/
@@ -1850,6 +1879,125 @@ static NTSTATUS create_logical_proc_info(SYSTEM_LOGICAL_PROCESSOR_INFORMATION **
}
#endif
+static inline void copy_smbios_string(char **buffer, char *s, size_t len)
+{
+ if (!len) return;
+ strcpy(*buffer, s);
+ *buffer += len + 1;
+}
+
+#ifdef linux
+
+static void get_smbios_string(const char *path, char *s, size_t *len)
+{
+ FILE *file = fopen(path, "r");
+ if (!file)
+ {
+ *len = 0;
+ return;
+ }
+
+ *len = fread(s, 1, 127, file);
+ fclose(file);
+
+ if (*len >= 1 && s[*len - 1] == '\n')
+ {
+ s[*len - 1] = 0;
+ (*len)--;
+ }
+ else
+ {
+ s[*len] = 0;
+ }
+}
+
+static inline NTSTATUS get_firmware_info(SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti,
+ ULONG available_len, ULONG *required_len)
+{
+ switch (sfti->ProviderSignature)
+ {
+ case RSMB:
+ {
+ char bios_vendor[128], bios_version[128], bios_date[128];
+ size_t bios_vendor_len, bios_version_len, bios_date_len;
+ char *buffer = (char*)sfti->TableBuffer;
+ BYTE string_count;
+ struct smbios_prologue *prologue;
+ struct smbios_bios *bios;
+
+ get_smbios_string("/sys/class/dmi/id/bios_vendor", bios_vendor, &bios_vendor_len);
+ get_smbios_string("/sys/class/dmi/id/bios_version", bios_version, &bios_version_len);
+ get_smbios_string("/sys/class/dmi/id/bios_date", bios_date, &bios_date_len);
+
+ *required_len = sizeof(struct smbios_prologue);
+
+ *required_len += sizeof(struct smbios_bios);
+ *required_len += max(bios_vendor_len + bios_version_len + bios_date_len + 4, 2);
+
+ sfti->TableBufferLength = *required_len;
+
+ *required_len += FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer);
+
+ if (available_len < *required_len)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ prologue = (struct smbios_prologue*)buffer;
+ prologue->calling_method = 0;
+ prologue->major_version = 2;
+ prologue->minor_version = 0;
+ prologue->revision = 0;
+ prologue->length = sfti->TableBufferLength - sizeof(struct smbios_prologue);
+ buffer += sizeof(struct smbios_prologue);
+
+ string_count = 0;
+ bios = (struct smbios_bios*)buffer;
+ bios->type = 0;
+ bios->length = sizeof(struct smbios_bios);
+ bios->handle = 0;
+ bios->vendor = bios_vendor_len ? ++string_count : 0;
+ bios->version = bios_version_len ? ++string_count : 0;
+ bios->start = 0;
+ bios->date = bios_date_len ? ++string_count : 0;
+ bios->size = 0;
+ bios->characteristics = 0x4; /* not supported */
+ buffer += sizeof(struct smbios_bios);
+
+ if (string_count)
+ {
+ copy_smbios_string(&buffer, bios_vendor, bios_vendor_len);
+ copy_smbios_string(&buffer, bios_version, bios_version_len);
+ copy_smbios_string(&buffer, bios_date, bios_date_len);
+ memset(buffer, 0, 1);
+ }
+ else
+ {
+ memset(buffer, 0, 2);
+ }
+
+ return STATUS_SUCCESS;
+ }
+ default:
+ {
+ FIXME("info_class SYSTEM_FIRMWARE_TABLE_INFORMATION\n");
+ return STATUS_NOT_IMPLEMENTED;
+ }
+ }
+}
+
+#else
+
+static inline NTSTATUS get_firmware_info(SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti,
+ ULONG available_len, ULONG *required_len)
+{
+ FIXME("info_class SYSTEM_FIRMWARE_TABLE_INFORMATION\n");
+ sfti->TableBufferLength = 0;
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+#endif
+
/******************************************************************************
* NtQuerySystemInformation [NTDLL.@]
* ZwQuerySystemInformation [NTDLL.@]
@@ -2359,6 +2507,28 @@ NTSTATUS WINAPI NtQuerySystemInformation(
else ret = STATUS_INFO_LENGTH_MISMATCH;
}
break;
+ case SystemFirmwareTableInformation:
+ {
+ SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti = (SYSTEM_FIRMWARE_TABLE_INFORMATION*)SystemInformation;
+ len = FIELD_OFFSET(SYSTEM_FIRMWARE_TABLE_INFORMATION, TableBuffer);
+ if (Length < len)
+ {
+ ret = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ switch (sfti->Action)
+ {
+ case SystemFirmwareTable_Get:
+ ret = get_firmware_info(sfti, Length, &len);
+ break;
+ default:
+ len = 0;
+ ret = STATUS_NOT_IMPLEMENTED;
+ FIXME("info_class SYSTEM_FIRMWARE_TABLE_INFORMATION\n");
+ }
+ }
+ break;
default:
FIXME("(0x%08x,%p,0x%08x,%p) stub\n",
SystemInformationClass,SystemInformation,Length,ResultLength);
diff --git a/dlls/ntdll/tests/info.c b/dlls/ntdll/tests/info.c
index 804a0ac902..d1c451157d 100644
--- a/dlls/ntdll/tests/info.c
+++ b/dlls/ntdll/tests/info.c
@@ -59,6 +59,12 @@ static DWORD one_before_last_pid = 0;
#define FIRM 0x4649524D
#define RSMB 0x52534D42
+#ifdef linux
+static const int firmware_todo = 0;
+#else
+static const int firmware_todo = 1;
+#endif
+
static BOOL InitFunctionPtrs(void)
{
/* All needed functions are NT based, so using GetModuleHandle is a good check */
@@ -842,12 +848,11 @@ static void test_query_firmware(void)
ok(!!sfti, "Failed to allocate memory\n");
status = pNtQuerySystemInformation(SystemFirmwareTableInformation, sfti, 15, &len1);
-todo_wine
ok(status == STATUS_INFO_LENGTH_MISMATCH || broken(status == STATUS_INVALID_INFO_CLASS) /* xp */,
"Expected STATUS_INFO_LENGTH_MISMATCH, got %08x\n", status);
if (len1 == 0) /* xp, 2003 */
{
- skip("SystemFirmwareTableInformation is not available\n");
+ win_skip("SystemFirmwareTableInformation is not available\n");
HeapFree(GetProcessHeap(), 0, sfti);
return;
}
@@ -862,6 +867,7 @@ todo_wine
sfti->TableID = 0;
status = pNtQuerySystemInformation(SystemFirmwareTableInformation, sfti, 16, &len1);
+todo_wine_if(firmware_todo)
ok(status == STATUS_BUFFER_TOO_SMALL, "Expected STATUS_BUFFER_TOO_SMALL, got %08x\n", status);
ok(len1 >= 16, "Expected length >= 16, got %u\n", len1);
ok(sfti->TableBufferLength == len1 - 16, "Expected length %u, got %u\n", len1 - 16, sfti->TableBufferLength);
@@ -873,6 +879,7 @@ todo_wine
{
sfti->TableID = i;
status = pNtQuerySystemInformation(SystemFirmwareTableInformation, sfti, len1, &len2);
+todo_wine_if(firmware_todo)
ok(status == STATUS_SUCCESS, "Table %u: Expected STATUS_SUCCESS, got %08x\n", i, status);
ok(len2 == len1, "Table %u: Expected length %u, got %u\n", i, len1, len2);
ok(sfti->TableBufferLength == len1 - 16,
--
2.17.1
More information about the wine-devel
mailing list